Despite Sir Alex Ferguson and Jose Mourinho never quite seeing eye-to-eye during their respective tenures at Manchester United and Chelsea, there was always a mutual respect between the two for their managerial abilities and achievements.
And according to the Telegraph, Ferguson has come out in support for his former rival, stating Roman Abramovich would be "foolish" to sack Mourinho despite Chelsea's woeful run in the Premier League this season.
Speaking to Matt Law, Ferguson said: "He (Abramovich) has sacked so many coaches in the last 10 years that I am sure he has learned by it.
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"He has to trust and have confidence Jose can turn around. There is no point in sacking one of the best coaches of all time, he’s won the European Cup twice, he’s won the league in each country he’s managed in, he’s won the big trophies.
"It would be foolish to take that step to sack him. That would be bad management. It’s poor leadership, that."
Ferguson experienced his own difficultites at United, though none compare to the current struggle the Portuguese is going through.
The Scot, however, believes things are gradually improving for the Blues and insists it will only get better.
"I've been watching Jose and I’ve spoken to him a couple of times. It’s the first time he’s been confronted with non-success," he continued.
"If you look at his whole career it’s been nothing but a rise all the time, so for the first time in his life he’s had to deal with bad publicity, adversity, and that’s a challenge but there are signs he is getting back to a balanced level even though they lost on Saturday."
Ferguson later added Mourinho will find a solution to Chelsea's problems like "all good leaders do."
When pressed on why Chelsea have struggled, Ferguson pointed towards the injury of Thibaut Courtois and John Terry's loss of form - two influenctial players key to the Premier League champions' fortunes last season.
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